package com.desyang.common.service;

import com.desyang.common.pojo.User;

public interface UserService {   
    /**
     * 根据用户id查找用户
     * @param username
     * @return User
     */
    public User findUserById(Long id);

    /**
     * 添加用户
     * @param user
     * @return user_id
     */
    public Integer insertUser(User user);
}
